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Re: NOT IN and EXCEPT - Pig - [mail # user]
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... On 8/21/10 10:45 AM, "Defenestrator" wrote: lly g 1 can be implemented as left outer join with . In sql its equivalent to - select * from foo left outer join b...
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Author: Thejas M Nair,
2010-08-22, 05:16
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Re: Help with PIG 0.7 and JOINs - Pig - [mail # user]
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...You would find the log for MR jobs that failed either at - http://srwaishdc1jn0001:50030/jobdetails.jsp?jobid=job_201007221306_7120 Or http://srwaishdc1jn0001:50030/jobdetails.jsp?jobid=job_...
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Author: Thejas M Nair,
2010-08-20, 23:40
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Re: ORDER Issue (repost to avoid spam filters) - Pig - [mail # user]
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...I was wondering if the bytes column is having all null values (probably because the input has formatting issues.) Can check you if the following query gives any output - start = ...
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Author: Thejas M Nair,
2010-08-20, 21:23
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Re: Loading CSV Files & LOAD large files behavior in local mode - Pig - [mail # user]
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...To clarify what Jeff said, intermediate data before the join in your case will be stored to disk only if the operations before join require an separate map-reduce job. If the operations betw...
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Author: Thejas M Nair,
2010-08-20, 14:24
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Re: ORDER Issue (repost to avoid spam filters) - Pig - [mail # user]
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...I think 0.7 had an issue where order-by used to fail if the input was empty . But that does not seem to be the case here. I am wondering if there is a parsing/data-format issue that is causi...
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Author: Thejas M Nair,
2010-08-19, 21:34
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Re: [VOTE] Pig to become a top level Apache project - Pig - [mail # dev]
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...+1 to all 4 proposals. On 8/18/10 10:34 AM, "Alan Gates" wrote: Earlier this week I began a discussion on Pig becoming a TLP (http://bit.ly /byD7L8 ). All of ...
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Author: Thejas M Nair,
2010-08-18, 22:16
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Re: Controlling the sortation of DataBags input to a UDF? - Pig - [mail # user]
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...I just checked the query plan with with 0.7, it also has this optimization . -Thejas On 8/17/10 1:32 PM, "Dmitriy Ryaboy" wrote: Thejas, is that part of the new seco...
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Author: Thejas M Nair,
2010-08-17, 23:18
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Re: Controlling the sortation of DataBags input to a UDF? - Pig - [mail # user]
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...Pig will use the sort column of the bag as a secondary sort key for the MR job. Though in the case of co-group, it is only doing that for the first bag. If you have a large bag and a small o...
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Author: Thejas M Nair,
2010-08-17, 20:17
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Re: Problems with tutorial - HDFS-Version mismatch - Pig - [mail # user]
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...Pig 0.7 is compatible with hadoop 0.20.x, so I am not sure why you are seeing this error. You can try creating a pig jar without hadoop and specify the hadoop jar used for your cluster...
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Author: Thejas M Nair,
2010-08-16, 20:10
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Re: preferred way to handle errors in LoadFunc constructor? - Pig - [mail # dev]
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...Grunt shell should catch the exceptions and print the error. I think it mus t be doing that already . In non-interactive mode, I think it would be OK for the process to die in t his situatio...
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Author: Thejas M Nair,
2010-08-16, 15:51
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